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Solutions Architect Deployment & Scalability Flashcards

7 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Solutions Architect Deployment & Scalability flashcards as text

  1. A solutions architect needs to gradually shift 10% of production traffic to a new Lambda function version for testing. Which feature enables this?

    Answer: Lambda aliases with weighted routing

    Lambda aliases support weighted routing, allowing you to split traffic percentages between two function versions for canary or linear deployments.

  2. Your Auto Scaling group must launch replacement instances before terminating old ones during a rolling update. Which update policy achieves this?

    Answer: AutoScalingRollingUpdate with MinInstancesInService

    AutoScalingRollingUpdate with MinInstancesInService ensures a minimum number of healthy instances remain available throughout the update.

  3. Which AWS service provides managed container orchestration with the least operational overhead for deploying microservices?

    Answer: Amazon ECS with Fargate

    ECS with Fargate is serverless container orchestration — AWS manages the underlying infrastructure, minimizing operational overhead.

  4. An application on Elastic Beanstalk requires a configuration change that causes downtime. Which deployment policy minimizes user impact?

    Answer: Immutable

    Immutable deployments launch a fresh set of instances with the new version; traffic is only cut over after health checks pass, eliminating downtime.

  5. A startup needs to scale their database read capacity dynamically based on load without changing application code. What should they implement?

    Answer: Aurora Auto Scaling with read replicas

    Aurora Auto Scaling automatically adds or removes Aurora Replicas based on CloudWatch metrics, scaling read capacity without application changes.

  6. Which deployment method for API Gateway allows you to test a new stage configuration by routing a percentage of requests to it?

    Answer: Canary release deployment

    API Gateway canary release deployments route a configurable percentage of traffic to the new stage, enabling safe incremental rollouts.

  7. A company runs a fleet of Spot Instances in an Auto Scaling group. What should be configured to gracefully handle Spot interruptions?

    Answer: Set capacity rebalancing and diversify instance types

    Capacity Rebalancing proactively replaces Spot Instances at elevated interruption risk, and diversifying instance types reduces the chance of simultaneous interruptions.